{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327107085",
    "entityType": "User",
    "nonce": "0xfe856f67154e63549ce21d3e0580f9c4c51dd7a54e799ecd2849f98f0f53ea6c",
    "signature": "0x7da263379202ded1ca2b9c7a0bcb28051459b1755ad6f6bb59cdaa6e7a407c351798507d3b52236ae44f231593b37470d37f56c288d0a4420439d2ca918a92231c",
    "signer": "0x1bD10feaADcF287a6aBF276aeAbEf97b950BE4B4",
    "userId": "584066937"
  }
}