{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8e15b53c22b186e91dccddc37e78f42977ab0ffda536cb664fc8168ae7e11091",
    "signature": "0x81aa6d1f6506443af643bd0ed973a33d83c87009a8501902b95385eae5f2bf3e5297808846d959e1a74ad76aa188db999fc989b85d22dba8f8fb8916ccec724e1b",
    "signer": "0x93d16C0E5c00bd319aD8fF5Bbf2935721b87cc32",
    "userId": "484096426"
  }
}