{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "870684573",
    "entityType": "User",
    "nonce": "0xfe67ab9a8e79405c1a3996869ddf74629b7559b856706da8339a537152b34044",
    "signature": "0xf7b1e4cd030625e67f652350d452a803b9cd80d4859885971d013d619412f7f9058e897852ff54461cc84772d2ec58955edda8a9f25df9943978d34389a1c0e81c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}