{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x68ccf9511318521486b6155c4809c17ff23350a017ef588a9ecfef1665552239",
    "signature": "0x5469f031c9c8248a68d0d07fcae84b71b0d3e2960dc8af347ab0f7d566e7ff83229e0ef7477403b7cceddd3f639585806f11e120e30cc96d01584c5bcbdcbc271b",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}