{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "369575",
    "entityType": "User",
    "nonce": "0x796a18e31d5032655ef055641313bb1189b1484ac0b9ef82a45ba612aecb74a4",
    "signature": "0x23b473cb0268d0947da7cf7fde97318bbf4929d5b346a2fdbd71d91e4758bd5006c11a61f9fef102741f2f541838885ad14662e0f1436421e94304f23cebb1431c",
    "signer": "0xCf51c0CB439FF3aED8c04d4676b43572a8F8FB93",
    "userId": "763179319"
  }
}