{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707342168",
    "entityType": "User",
    "nonce": "0xd9800db76e79780873884d12b939e4a0c95e6287be0f9e7d88d236f26c08cef6",
    "signature": "0x99d600a15fe4d59fbcba183d0f0e4dddd490dc5e38ad9ac8410685307c87a6c90218121b00922b0a02304640eab9391395563c92be40d64459af67c0b1a533f91b",
    "signer": "0xa372026fB2EE30b6F81CE820DcE21B455686A702",
    "userId": "344222954"
  }
}