{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3636",
    "entityType": "User",
    "nonce": "0x95aeaa229bec8aec1e6b5dba249e4f28db4f90a687a503d07183c3ecd675b8dc",
    "signature": "0x683de0b7636c65dde406b087c53cbe1470f4ccd4503c688615d3fecff627b30e7168126d9530626bc655c044e913f83d78b6dd3afc7597d9bc4631bc3a5518651c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}