{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0x9124d7b904ffc889c17041a193e095f73d4af5fd3b9cb4238c624c5956dfca6f",
    "signature": "0xe9ef9dc00b37ae367b2b896bc7460f39ec9a1a6c6d88412fc15435ec08a32daa59a910a7bc8e09330219013f202c49c3cc01c5eef177c167eb2e529cbfe9806d1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}