{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "843",
    "entityType": "User",
    "nonce": "0x93eede7989b83e7aa0f645d784f2c4a625321d978e66f869d6d1f6eebd57b7a2",
    "signature": "0x9a7e08f38452633ba6181cc0cb588e46102087696043aead244c46105dd5d95f5ed64b938133e3f2cc69a1d6a11450e86ac75d79c97fb0fd877bf8b1e79936d31b",
    "signer": "0xaE8f01E1365fF40Fc050967a35634F857650c83f",
    "userId": "814483459"
  }
}