{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102551",
    "entityType": "User",
    "nonce": "0xd0f98bb0ab34b1b47e50c26bc32b80d83690359ebec84d407d8896e8bbb1e548",
    "signature": "0xdb54f854cecbe1ead6b0d577e4c4b9bcc1187706ec23895a6bf00dd569d0e11b37dc6d395eefeb60dfed75d696d3ddc8c8894107a0047444bf36f18692ff6d6c1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}