{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x5e37c3ef48ca35bffdd5e6981cd0604d5ca20bd3580d1cac88a8912c1dbdc1fd",
    "signature": "0x0275715091fa3c0e0c0ee46a523b5a1f4b1c0be9927c70680118315b7f20860768f836970b0c1bb50780c4696e38a96fab2298862a896911b5ac5565e3437f081c",
    "signer": "0xeDfBE8692224c4fE2951E97418044B5aFE3087e9",
    "userId": "16214258"
  }
}