{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3429fc1cd7124c83fbbee98670b5757dc3518762188517110e8bbc244c8d63b0",
    "signature": "0xe9cd37304576dd6ba1745bea9669dadcd0afaed754c08ea280d7c3e4404eec2f28e63219b78308690223197a7898f719611affcfb894d1ca7c1898795d773ff41b",
    "signer": "0x3Ab75Fba74e673Eaf4cC6f0E3B40264eff96E2e1",
    "userId": "156736928"
  }
}