{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0x50e69cb36b04b9859ee9f0aff3649366964199d0f3f8af49b470ffdcf0e5793e",
    "signature": "0x406c9fe3a5ef87ef8bf2367f5b5672885baa966dfbb4596cf39426d5b69f32120764922acdd5810da1315239f92a768a2794b35eaf729620ff840db546e24c1a1b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}