{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x33313f0b048391202f8b66d5c8b0452ed2ff5591ccfa6e24d63c653f9076f3e5",
    "signature": "0xdd311ed50d55736254ab5d4a599d19d5917605ccb4d841024fd33bb78cdac248499acbc5d5a37331793d3f4e1056e26c19a66f403e5bc3dd9a0ecedefdcbdbda1c",
    "signer": "0xCC0d2E17031Bb2a4822bc4c54ABE3a667ef3D494",
    "userId": "583264378"
  }
}