{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x13f2235ba92fc8ff2889a1c6cf4404e9500cecc45faee5463668ffc96f0ff028",
    "signature": "0xc2e659ad3c00cd139a7ae5a98ef3ebc0c78897388d134378a8a55cb22395d80b1c5b736fff98ada9ca1a2ea599585d4dcaa1f3f7942f9f46e8083489141799f51c",
    "signer": "0xf83196497D22153b4A785C0a098e0D950Eb36734",
    "userId": "825086537"
  }
}