{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0xa4551dba1fcb37ed3715e41fb42db2250da11709acb24ec1aa53421afd703688",
    "signature": "0xc58038022dba8217c33fc0ed48ba0a49db3196aa1094d6c486093bc95eca48475af2a5ce7c30361fff11666fe9489c7921afb0b6e2baf148e0bc7eb8a50835e81c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}