{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186590",
    "entityType": "User",
    "nonce": "0x9731211683cd2e263f3ed29725a957dd0d5b344b747158db2c27967b84e2f829",
    "signature": "0xf222c649cc9dcfdc049e46f7cbbf9e11a622dd8fe252889a03555f5a898da8034399ba42dd6bb673b11205ceff752150db2365bedfdb3aff19363ade66f5780e1c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}