{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "310796",
    "entityType": "User",
    "nonce": "0x86487eefb2bc0a4babb2e0e0596dafd56224caa861c35c56dda72fd4b80f64ff",
    "signature": "0x0bf5e93445c1b20f96c24f5895c474a18dd251a8f5903be5d529a29be657edb1316d825fdc5a53a782d2ebc78a0bce877bfc38d3a17ef7843064d079dd46078e1b",
    "signer": "0x87CA5036E89495C33C212Fe31efeF0621fF69bac",
    "userId": "1311057"
  }
}