{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb6a219deeec4b622074c631c0a412660056ca880ec07d60de0a3c6354d692fa2",
    "signature": "0xfb28a6f3f8c9157e26b1babbdca76a2ec85fee992378593eda5083a810c8fd8816decac11717e861a520a421ffcd7463522baee41c078921be79a5d7198475d11c",
    "signer": "0x704653bB668e896c8DDd4eC5c2D37760788E2c1D",
    "userId": "602084182"
  }
}