{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xac8847612335cefbc8a48a82f359bf62093e337f48d91a314399d00c1bdd4ca5",
    "signature": "0xa6bd03199c7ad989c89577b95fe200b63a92f0eff23451dfac4554242069b3d60580d9871d95a1f4a71f04b4d7c296bf2f2789d8ed198907a21cea70d04274351b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}