{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "331839",
    "entityType": "User",
    "nonce": "0x10484cd65e4ff1f614e0f131d152778559800307aa3d6732c59ea8a79fec1d62",
    "signature": "0xee6e0d4a49bd007cb9b2cedbfdb15065aedd8e57044cacad2c12202e786144d86550c5d5f744701765f6bfb20a8b9dad341d2aa8ab4e25609a28ed3a77d632751b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}