{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1946151",
    "entityType": "User",
    "nonce": "0x52f43e632fc5428490c30c0a5060b7118e47c332b25775cc5805bf1bb926549f",
    "signature": "0xbb0d9e3f38cd905ee6b702a778859d1db2e1fd47fd78d9b2d1124f6d8f9dd48b6566192f78ceba044492ef08596f4a2da09e69f6b5a645f8a79faf256d8e22cc1c",
    "signer": "0x4ad870a0C318214b4796d1464BC8Dc57C6b84C12",
    "userId": "408505072"
  }
}