{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf0e6632c6a1978e110ae26a99f9773833c4cffde76aef1b3925e676cbe7d559b",
    "signature": "0x47be3ee74f9ad440339e18e21f7a701bd20dc5c0335cdc9b5de5631c9029139a451b8ac70c72b008ce00702b2b56fe573dae4c7e8c755a1ab6d797287f553f771c",
    "signer": "0xa0C4E02f28648143d28Be874070Db2dD5F0b1B94",
    "userId": "95644816"
  }
}