{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "914",
    "entityType": "User",
    "nonce": "0x89207e01e92e042d95a5b16c554e3646fca9710aaf52763ff4d438b30ab28edd",
    "signature": "0x5803d0b1de68cf4a024071ee8d62da06c2661bd42c596ac144a14d6e24b1b5f01963f0797da31c5deecc182d7f0c852b51e822c4d19faa4bf39ed981b38d09071b",
    "signer": "0x5617e33979Af319eD3a9a6bFF820d69b7e8877a9",
    "userId": "171261"
  }
}