{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10790",
    "entityType": "User",
    "nonce": "0x962c560fe81347b3712ab9a7e362dc010a8d22289f716a4b4b0d8ade299acd0a",
    "signature": "0x777ec2771bbfe37ce84a46ff931f576c3184723067384667a7e1cd16e568a8aa7efce95c68ffc193a8f0d4267f1357c3bd23023e7f23e5ae9b95125ac18b898b1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}