{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29308",
    "entityType": "User",
    "nonce": "0x40b8a57029267519791561ebb026514a9e60178d8eed2e8f4608f2209a13eaef",
    "signature": "0x8b000b8101d86e73b4a5aa3e46df76cb11338717b1b8f0a2b44166bb2b606d5070e854ba50adf5b973c65df91bc41b2eefc74b0029be3e420ce977f3327631c81c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}