{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3863",
    "entityType": "User",
    "nonce": "0x7bc6ef78369cdb7d3f22919f174d2f586866cda0282928c122083b0d41043b10",
    "signature": "0xdad215b2e55026a3daa1d68279efb95d99645d222af9e0978730e5954e7499511fa60bb512bdbb62aace59ba95960af0f5c8ecd572723739aba62fb6280e007d1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}