{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101906285",
    "entityType": "User",
    "nonce": "0x8b662a12b0a3f7576950b7240391fdff4719949d833200b7057fe7efefa1d21a",
    "signature": "0xc66d6a653a1a0725f0899e4a6dca9ab295d0c701fd32a6a2f13a05b5ac065e7a0ba522b44ef6f6e91d7c4db7ebc248bdc9b00d87b9ba28a9c48869bbb915fd0c1c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}