{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "704909",
    "entityType": "User",
    "nonce": "0x86d49ba988ba630f0fe918110d142d507c4036db68d70299805202add9003de1",
    "signature": "0xe108d2937339f6db6563769da8507d4ea960f6255f43eb0f0bcf020d24cd89c8245772f8def055e0fb9aedcd253059cc18e0136ed7b0007cac8135a213d4b1201b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}