{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165320",
    "entityType": "User",
    "nonce": "0x52bafbe6a90dea658a79af36fd19cd4133c1a2e40c994977260250ea205cc848",
    "signature": "0x1ef6e4acb5a4b248b9108be7a5584f84c207bb39c486f3066b6e1bb5626cd67e1dbd6fedb781d15764ee226946580c4a9f4ab6cbdca59bd823760be0ef3f5e531c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}