{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154589",
    "entityType": "User",
    "nonce": "0xafc0708ddd0423a85894b9c0cadd77b5f425e8f0543a0f07709c15059cefbe4c",
    "signature": "0xb9d469cdffc426ea6bdc34e0511330992a1bf2b13b051780600ee9e156b3451433bde238b4390ea0ac2a8be37b49ab5e2c455589ce489b2a3b1467a67e39f9421c",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}