{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xf6043a4633b3be7acbf96ae1c023cb32899eaf0abe09823536357696fb0e17a3",
    "signature": "0x7c6cdb46f59fa4a070da17281b1dddcd9fd3f710266f3e2a2fac8580bd4c57f0143d59b63cb7e2e928f2db92591c3f4ff56956559aa88c2321e1f14d9def9a251b",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}