{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "766107478",
    "entityType": "User",
    "nonce": "0x46483fd40817cd3d37719051edf7fd54bdea815b4c2a18ccc63f79f20f922ae5",
    "signature": "0x1731094e23ec86794fd92863e744cce6ed2c2978642e9609e57e9fc5e1039cab7d0f8afd8cdcc423702172cc292b030820c591b4c65e74f05a2aa392bc7a04021c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}