{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1885732",
    "entityType": "User",
    "nonce": "0xf535bd1e1dcf45dfe1dd97f9535091b13786ae24f6b400b6a2968f6e17cad776",
    "signature": "0x61a088f013a343337205ba27b283043a8521986e9c603d43702b83fd2b0bd77906a89f568fa61f8fbfaacbd2318e9af0ed6ef6a13044d437c28291a7c2f8ecba1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}