{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "787334945",
    "entityType": "User",
    "nonce": "0xb53d47f2f90fd79aa2e5bfa7a13a44378dc9ec1c4a6ba17dc7c5f6b2358dac0b",
    "signature": "0x01a38a4f05898645401b19ee4eff462acffee5ed3b5da6b49ff97b3e751a418b524d182fb5e9ececd8f2d4c7d427b9b986e506ec7d1133a69b6f60ec9b9db0251c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}