{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1363743",
    "entityType": "User",
    "nonce": "0xa0fd9d1594bda591d7b335282e715c15902d9018823355aa9d0aa3f7096a3e35",
    "signature": "0x3391e7d740d7a2e36e1a419c40eb5a650b6810bd00de6bb96e004ab101b9bc2e774902375a223eb6b5a676c4f13d094e5ef210891e1c48bf732ab86f95e1a3d01b",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}