{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd4ae33780bb0f2f5a46d4c795d0dd4dc283010694f221715fdb00df51974be23",
    "signature": "0xd607236d243b24715ed6e31546b562d64e61fc01a71fb1869c0383543bb5b115468970406b9202ca52fff666552b022a54709511b7f71e60170363a29e7a585b1b",
    "signer": "0xEEE7c45Eb54831dFA9491B43761d51F62B1168A8",
    "userId": "926404753"
  }
}