{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "202",
    "entityType": "User",
    "nonce": "0x3e9b12af9d86c5d7be782e2938a246d6f6408436b6df5e24b01cece4dc72a3bc",
    "signature": "0x0718b2a7c891fecc867338b9f049b931738134e8eeabcb580ff6abc75645e0114efebad79479b8f74d44cc86f14e2c489c590a9384a44f861c12394675e333511c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}