{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "431191",
    "entityType": "User",
    "nonce": "0xed319a50a8582d013ee2f6d83b6ed640a2512f1351b2ba0d7eff7933b70a7574",
    "signature": "0x098cae289aa2d706633496ae7c81c90c235ad79f9857575e61debdbd6e403dd853df816beecacadb41eedc208132c04dc4ecdc4d1430f3a0eaefabdd76a31f1b1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}