{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x952bb637071a6e2a5b016ef63d30bda128894a547e6e0490e28c5918381e5e49",
    "signature": "0x4ff9cd4809999f4cae7a15befc0774578ea1a189e704ae605a0cf270c87a30c16e037c0d7e6c4ac7ca7110b7230928e2bdcfe545e54b790d16e2d5fe230966fb1b",
    "signer": "0xbdB8eA7Aa50C113b1755Ee2985da6D2DC957FE4A",
    "userId": "941711771"
  }
}