{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165043",
    "entityType": "User",
    "nonce": "0x674f6561ac87d92ba404ce5331f148bf462b950ac9468b00f70428a3ee77a2fb",
    "signature": "0x66e4e08c836ed3827bf978f7b9deef8f0e375fa64a2d542bf38d953d7d684ffd3a35a29819e29bb83c6bc2536bd6813d130f9074eebde541019c6d29101dbe1e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}