{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "344468924",
    "entityType": "User",
    "nonce": "0x831edc89842eef8cf8d192448fd45fc18a909763eceb83d0747ab865ad77ea90",
    "signature": "0x8dedc17e5acfadda0726ed1ebf7ae5707e20f50394630e3788d263584bc3b00257b351fcef19c6e5253a90f9bc66afdc4012d2964372bc35a930f3d309633e0b1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}