{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "725082",
    "entityType": "User",
    "nonce": "0xe89c97d68887ee07b71fad8c7b5aae6ad6511907c584d79cd9406d897031f6ef",
    "signature": "0x73a5f489971a4a9e1b7fb775a4a0fe592e701d273f0eea773a8ff25c25c1b9ab0ed5d1fdaf52df5b7853097320d7a15b151a869505089e9c5add8e3c16ace9241c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}