{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2522",
    "entityType": "User",
    "nonce": "0xc9d5baa7920a55c0b49fb50ce094435b4d8116bbb833c40c59eb3069a606eeed",
    "signature": "0xebeee8ee55ec88cfe2873a1146724cef834b34213265068cd437a5057515d0804ef4513d4de62af96e48bafcdc27fbe2218123ec8f9966243c5962207528331d1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}