{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "712688986",
    "entityType": "User",
    "nonce": "0x8414de0e02349d5092e44c54f96afb8804f20884175c0a11a52402d0a4d1ca3d",
    "signature": "0x087c956e7c6fbef1585dd51c06da33352711302630e6cf4a440a102c7fa919de3e59fe0fa16288041946a5596b1a7f9529cebf4e201c0ac7454b07459c68bce71b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}