{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78335",
    "entityType": "User",
    "nonce": "0x087398a9229ce6650728977baffd57dcc5534162503db8e6b88c8dcba2efc619",
    "signature": "0x816b67e67a4a96c381a97a32badfdb1dd087b24e1330617bc55adebc22c2a90c7e0ae61fd9005915f31580d41354d51838d79a96012a7bfdd5eb2e3bc9279d0f1b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}