{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127249",
    "entityType": "User",
    "nonce": "0x765e174374f4d8760e94adaf35f3fb3a36d7a5751d8286f6a785f94017f605ae",
    "signature": "0xf94708b08d1e4f49e28513d6cdc91eb1e098edbcc19d36fd62f3ad982b84901e6c2ca166c119d229d0945009a4f977e031f330aefd12705f720539eb2cfea8c31b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}