{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1442a9997f35caab0e0fc2b185c21d72317f396f749efe7ad939cc613ba4a1a0",
    "signature": "0xd0284633202457b63bb22b4a991cc65ce1a417219250f0c2610333c50e57daa84fa13f81a77c525eda3250cb08604316b1b6d98bb6b345f73ee2d8d8f6821a7f1b",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}