{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112502",
    "entityType": "User",
    "nonce": "0xe4866f4a67a6e23c0d4028f2bca841685a0b0aab6d8cc6410b9400529b144ddb",
    "signature": "0xbae1aecf828ee239e286b05b36cbfd265ebbc3765b8c3baf6bb9a2d036fbc18e77b12f00029f926bc6d0deed8932c9db6db291538ecf2c1a3be7e365cc014b2c1c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}