{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x2ca51ccb936d09c3572dc0ebd690b7767673c14418eea3afb4772bc3f26a210b",
    "signature": "0xf3547f33b6adac3f877936ffc6cc63e121308336559a00a74fc0b2476631999177b2f47727a7698198a427f8efbe4361531c712a0431e1e310cc867b053746051b",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}