{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x1fd01b39d3bbbf881e807bb7a1502aafd69dc66deb1cc16b5cc4d68c2db0e090",
    "signature": "0x480b609829d17626385e8569709ff6a3fe34d1b48152f37e04c8c61ed9d23863379f03cd17832477349208109227e11655b13a1f9963290df16f120dacd033971b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}