{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0485c70ac44d0890d682c8d5bcbcff459e085e5e6956ce06c6cdc3e04358a979",
    "signature": "0xe434952a365fab0b202548d5d80b0808a1dfcb42c6ed51e365e6b562c22b194100e12b83dbd94bd5e215f2794cac0fbebd2bb58f88e0e169bdf877c3121ccc5f1b",
    "signer": "0x93d644eefb5feeF93eBE368C654Ed96CdB115B85",
    "userId": "299033199"
  }
}