{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84501",
    "entityType": "User",
    "nonce": "0x8ad3e0dca7eede2586fb69cdb64f4e18ae5b26a60770376fdfde876599ad6676",
    "signature": "0x8c0005d5caf2987ada410e3e09f97ef6f37efdb6d20636cb0c6054bb68808b9e5b337c19a6c21754b66c8fd7fe5e460f44830ec662b1c3d48a51d355cf7905b81c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}