{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "336951",
    "entityType": "User",
    "nonce": "0x006a55fa9c178cab0e07e74e15cddbe4489525b16596c6eec2166042cd7f1b95",
    "signature": "0x8c0eb21cb7f784796921075edd7e66a29a03bb67a89478e496f4e902e9ce34061e198f3db17ab9ead5fe2b6b4b06d6f2c80fb8c74b60754d7378950e0acfca731b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}