{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386992",
    "entityType": "User",
    "nonce": "0x0181e501473d546e5662e7647550685e773e9ca963b0fb320cbad1139d236a6e",
    "signature": "0x8a68b5933259050d8d2a2b02dbc62037675efabbcc99d7fc83cfe5a52fcbeb51625e21704de2d4962b4d1c1eab17c1185689aedbf99065414abcab9250350b2b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}