{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5862",
    "entityType": "User",
    "nonce": "0x21b8697f2d10ad3c4387604548b254e13437dee3782a178241a6dc5be9bb1c89",
    "signature": "0x4516a578123aaf736c67ed86ba06e1bb158700349ffba29375b08c6b55fd05e95e23f786e84eb8766bdcd7f257660f2739bdc7602dd749ac7d828bdb0a63f3021b",
    "signer": "0xb15d7053c985Edf1d74fFc9893ab67Fdc2B33090",
    "userId": "211545300"
  }
}