{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4b59685c6923dfa78bc2286ff0c33afce514396091035ee306922852dca9713e",
    "signature": "0x83c8f7c86df1efa8f7bc73da2194cf2cc6cdf84aee59fed220b6271681882d4d0da0b95f8ba81eed3e22fe69d32bacf81b77abc9e3daf6221f73b95a9093b01f1b",
    "signer": "0xeFd07D389CbE01D604379435c62207952A83A4C9",
    "userId": "691195905"
  }
}