{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "231844",
    "entityType": "User",
    "nonce": "0xf0110e7cdf6b0f3bc0379ad6df237450673d517d0a9aeb48b5e48275fccbffbc",
    "signature": "0x13b5d426889782ade4c82a6bfcc6950dccd7eed6078c37dace612bef83d5323f0ed35c75963c7eec48c1a5cc6d24f9032abc8828abc92e35bc9ae0b83b8a0f5e1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}