{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355113",
    "entityType": "User",
    "nonce": "0x3dd9be59b35f035f947b00745a93fc19fec14694401c6162edc008f659fa0abd",
    "signature": "0x3c78f8af37a9bed9abb7f04eb10a0b57d4ce657813fcd43ce68d1d5e01614e4002cb0e188322068141e9956d30991b53cebddb28026e3f58c9115d33ce90c57a1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}