{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43717",
    "entityType": "User",
    "nonce": "0x182e752e23b35a2372f31c68ef0aba79c8bfe74b9533f8c85d3f9b40847c8877",
    "signature": "0x4b3200c967eed2913741e8a4e447c2cdd173448b4318a36e639a0ccb7c455db65b08ff087fddbf7cbf44ca2cf4f6f05231a2163a318f783d72fee3361b6737a01c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}