{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4718",
    "entityType": "User",
    "nonce": "0x9ac8d4982001a3e0ac9f26c25497112caa90651742e76c26d204deb8b9c4f30b",
    "signature": "0xd8ba918910e3458f51e0e4456b32a3f6c79b015b93d7c9060d825b298a62e51b3c04a467a34af0bdc788a23b81dc97061094c9879ac997e6049a8087a396a8fa1c",
    "signer": "0x3Ec9E017e31a38A18602E735a761076100861F7b",
    "userId": "910895194"
  }
}