{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16782",
    "entityType": "User",
    "nonce": "0xa0dd1ad6d4e1503d3faa8d36c32ab19ecfe12c2495f89fee6f8ffc4d133d9a20",
    "signature": "0x766d7406f5689c5b1f904476a69c95aeedc9ca2b4b15e0d490fdd7782aa373cd14820385ffc236c87e8bc31571d30ca900863610d0c93e93793f4c561c8836821b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}