{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xde44d8e58054ea3d5f84ea3787f936450af231e96640078391dc7c1034f50e04",
    "signature": "0xbe7b85aa7751618c716a419cdcdbe3ba63f6664d7c6458502202a4454f2ee8f2484252b8d9d551703bce5c0dfc3ea4598ddd2337cb4acfad92b895f56096614e1c",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}