{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115325",
    "entityType": "User",
    "nonce": "0x2f6695632d739237e5ffa1da963928aa24966b8447ddf884f0a40e3c10046366",
    "signature": "0x39510765458be40d528779c51472885d339a0232491e2877068a8e1153fe34585801534151bf9d2adc34b6e00a2dcef24f6769afd473309645d56a179a775b341b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}