{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfaf68c22c8a3d0c89599684509fb0d8c502a64725648313447762b1686951f62",
    "signature": "0x63eeed1f3646a55b3d634cf7eb3a4b8afa1e1d7586bcecfa78dee4684efaecb40d47baf48c9774467a1b677b6f392760f699028f9de0fb6ad4b1577e04cc54ae1b",
    "signer": "0x1E3Be314C2CB9306130B3860Dac78ecf29F26344",
    "userId": "231927648"
  }
}