{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925208878",
    "entityType": "User",
    "nonce": "0x240431ef738d3b4258d1c0f5844a49ab3a9a166fda4327ee8b3821947c774f23",
    "signature": "0x0c277c8547e03ec5c92a40ff696e5bea003b3cf9e0737c9d731c4a8efaab57b7502a9207351af89406fb2e7228e1ffd9632b8047616076ff872872fbd404673d1b",
    "signer": "0xd489B786708CDd8661b152CFF27695dC12c8c0C9",
    "userId": "647391197"
  }
}