{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75085",
    "entityType": "User",
    "nonce": "0xa4664d37b3e60cf368f0a266568643caad02edffee7173fd9cf524525ca6771a",
    "signature": "0xbb56e616cc595f9df5aa63ba2e75248b801bbe4ddbd768cce0382470e7f1a4ac2f2d3d0029d77690286889b8946d18245de2e359577de1592c8e469e4a399a6a1b",
    "signer": "0x80005E1c5cb88Fd03a994eC8a06eFD4c801102D7",
    "userId": "225974748"
  }
}