{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831760216",
    "entityType": "User",
    "nonce": "0x9ad28c41e2c7d010c0fca4952903846a7fadf6920ef2bd80e51e1890bf741310",
    "signature": "0x1e9d5897c06bd7e611c3d7a4ad1741485e765f8e32b7d634cb1144557965a22e53a79005d8e6ce7ae598e7af6ce09c6789eef93e732a083cad8f2790f46e39da1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}