{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "793663382",
    "entityType": "User",
    "nonce": "0x1312db9cece6744f777c03167f286e8a15e31f5936a2794c1c42a8119932da4a",
    "signature": "0x53c9a07d15904fdf7362d76387826bde308b0a86eb4d4951f12340749b31cad056d822b858c14f6a8464a4d5a4e702b8619a9288992d6cbcc922c226d57d29c61c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}