{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xdba34a7cbd3433e76bd176656a0e34cd255e1ef31b8ef3eafbd3efc158b3f0f4",
    "signature": "0x579afdea74b5e657bff761fa190deafee84f38ce1470adedb9bd61d895e0701a3834cddb78ecf3bc2a2c7ca29df18b8608a7a28ec452c4957433d42197084d741c",
    "signer": "0x4d6701aee41cF386F0f1Dc360F47F200983c6c62",
    "userId": "454478631"
  }
}