{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170017",
    "entityType": "User",
    "nonce": "0x7a9ef74d24ada300701a39424106c00a25b0b9781a0d8f6421663388c701a98f",
    "signature": "0x4930a873384136ad1d2cbe9eabd75291f87a7332cac598b64ca7bb3a3943d80e56b847cb1b32be7044329c6c7af4b0cf466c661434dde97d02cc10b2a17dcd071c",
    "signer": "0xf4932982eB30F083aAeE8850Fe5d411b7A5Df5a5",
    "userId": "746635137"
  }
}