{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1625293",
    "entityType": "User",
    "nonce": "0x4ef727272bc92e763fd778952f133954814c88ae1955719cdb5a23b96eaee572",
    "signature": "0x68e3ffc121912a0f4019eb9abb9991033a95669ea8a5b409416d7179031807b25dca65733266c4af6f7e2d4d1bb9aa665347c03d03836166fde6c6d4ac9242661b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}