{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99787",
    "entityType": "User",
    "nonce": "0x4160dee6a371347bca9053784c1132e80f3024766069c3e52ff09c9ffa00e829",
    "signature": "0x1a764946575d200f37774e7320d5a59482af1c1fc9fdec06571268165086ae78617aeef2e60699794da16a93110a0c2c6ca32886b67486428308f029b77367821c",
    "signer": "0xb0bc7585AC84F169814851A3C22d8d92D133337F",
    "userId": "267657235"
  }
}