{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943263428",
    "entityType": "User",
    "nonce": "0x83c71c9e10b7f8a1a5802d375eb84d679fbf9dad0b873060438bfc33ceeee94b",
    "signature": "0x1a2063826860c5ed3a5b49938717fd8e1916eebb4068acd0b226d338684c5699687a327aacff3c20975f0c8192a6d18121488f358a802dd57bb4a202eb8565de1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}