{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35820",
    "entityType": "User",
    "nonce": "0x8f13236176ea5dedbfa79515360e097c819571851c969f419dc5e8fb51be207f",
    "signature": "0x00399fbaa67d49851d20ec215a00883999e00370c4026fdd9abc8e92e90ba6401fff3d363fdfeffdfdcc08a3d13fe85676a8047a478f25d2011b6c1d39085bee1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}