{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97457",
    "entityType": "User",
    "nonce": "0x5871180daf712a35b0d6e268c09ff7fafeb02132042e49772c207fc07aff293f",
    "signature": "0x72114cd30c25ca72f733be37c9eb61c1ab3cdd188859a48236bf77097dadc3eb4ee015e76c3d4b3157a66c5757f0f28876235b2d5b0b280c732161830aa21c951b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}