{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2214",
    "entityType": "User",
    "nonce": "0x4e8588f90d9fa8ee55b89402bcf641c6bc99996415a1c2446e2b52d024e9a402",
    "signature": "0xc213690ec08203b33fe96dfc0b89f3561879a3c6be5752ce8ecb1e404f7018e62d0a20a6891570cb9989626414edbf46542a31f050aaa8e63766c0ca89eae7171b",
    "signer": "0x32e5e224E0727A7B2CA7FBC47b945D1B1A59abDc",
    "userId": "76829893"
  }
}