{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1685453",
    "entityType": "User",
    "nonce": "0x6522b6a2695fac023fb3eaea6feebab169158ffa00a03bd95967a4004342672f",
    "signature": "0x7718f6b6b0fa785e080a57e11fbb687e6385aba655455de000f68a4b6cec79d21cafae43a3f0193842654b0c58c8d5778c8dcb3446eeaf9caf2b7e41d309eb521b",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}