{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1432425",
    "entityType": "User",
    "nonce": "0xff26bc4bf55741b40c2ee5a01eb55679a963b5e14fe0534f566c6bab0432f65d",
    "signature": "0x6a696044686a9bae09c3ed58e7ec472a0845cdbbeabe54e51852f085e9e445116dcd6930e4547280564c8b00c45e9f3cc14f73f5e57d34a8db85d3423ffecf021b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}