{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x88cccb6c97211346d3475fb4d15a0eb4c29dc2882d4e67327f4ac2ecb48bb6eb",
    "signature": "0x926ac9199f02e7e668d5c9cb3ca9d65f74db59688a1954e74e45d264d6e5015b558ae6cd1846bf174e0b32f1dd9cc5f1d635295fb422a102e0bd1913255b57641c",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}