{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "463085",
    "entityType": "User",
    "nonce": "0xa90c296387556f3a11b571341e0273939c17987079ef2d0370e64396d0adcc48",
    "signature": "0x5f8fd03fd7461c2dd70d7bd7cab1b6345b33a9e268d7598634bc85f4f684f49f022e428dfa3b5538fce9a83ffb1cc19920210bf03bcbd846997b18d5d92c22b51c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}