{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12066",
    "entityType": "User",
    "nonce": "0x6f60f250f64ff85ea3796d86e04fd8aa945dcca581950e2e20cd31ac31470f99",
    "signature": "0x2408a1c6d0e3dc28b1251c96e2948599f9fb98d0cdf9d520a72f1678ca72088343e2e5e92b404321551e9d426a28ebd7354c58323fb2fcf5f4a2223fcfd0c24d1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}