{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0f2aa26a0e9ccdef7e899a54eb7d2a551b6fa528379778f404f39257f4c518bd",
    "signature": "0x4edf49ddc62c65af3db2dbac09c1e225a3b2396122832f7a9169aed16864abce4576ba2dd760931ec37f0d53c7586505b51db762b3f18417727ba267bc3c52241b",
    "signer": "0x6d94Ff17186121f06D9440fB1ADF9A02CBD31630",
    "userId": "989488626"
  }
}