{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x5fddfc11a562d61606904d44def63cb2dfefed44395e52a6337b3461c84e34e3",
    "signature": "0xaf74e5cbd7daee26e64b5babbbd969a5f90d6735673b175fdf686a6366929abd37f68b77320141b1c691fdbe1ca849abd25f32f4aff8921213f21192f3b6c7931b",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}