{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2044",
    "entityType": "User",
    "nonce": "0x87ce4d41967a083009c8da581be5a0c0a5afc9ec0f5b2e136cca469de04255c2",
    "signature": "0xa076bf5c379ef47262fa87a64f7c68f31c6ce47f9132774713387b2749bb6a4e7376d71a845f53f2c3da3ac1e73afa62707e86609a653fdf160bdc85f1bc13111b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}