{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55290787",
    "entityType": "User",
    "nonce": "0x0380b5a534b56782debfc657c5240ee9cb0f3e109a8f254acd2b0116354da39b",
    "signature": "0xf476089268c03ef6ef3be2e51cc4a817b6bdf5e4a9507f454236ac48b562bbc067fce4db0d5a5050c8f650518b72ea048296904f134dd5a34325a34c51a258431b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}