{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0b1989e5fa289c03174fdac5ea84860fb274c4325c8900019b945451fb48f042",
    "signature": "0x7f1a9707e7a5be06ba5adee11492eca1f08f14eded04a3de757a123d29350ea80f1ec15cb37e8291d909f1b6eb881de34c52fb6af9b817868e115e0330ddbf8a1b",
    "signer": "0xbeE5536d0617e169922d9fFE35E0043135C87671",
    "userId": "767561093"
  }
}