{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7645",
    "entityType": "User",
    "nonce": "0x73f2c3b4cb22dbe0543e0f0195087eef08679245aa058d470b49c52b53433207",
    "signature": "0x1a80c308111bf31aeb92190d72e123d61baf523c7e5d8d02afde18c934804f6e4ac357c8b815a641c80df54e3c8923d47969da08566744e8251df39ca9b8b8551c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}